this patch include,
1. change sync call about NSProviderSetConsumerTopic Function.
2. change sync call about NSProviderUnsetConsumerTopic Function.
second patch include,
modify invalid return value.
Change-Id: Ia73d6544489dd36f4612c97108ca488f76e038e3
Signed-off-by: jaesick.shin <jaesick.shin@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/13001
Reviewed-by: Uze Choi <uzchoi@samsung.com>
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>